projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 77864f2e AR |
1 | /* |
| 2 | * Copyright (C) 2012 CERN (www.cern.ch) | |
| 3 | * Author: Alessandro Rubini <rubini@gnudd.com> | |
| 4 | * | |
| 5 | * Released according to the GNU GPL, version 2 or any later version. | |
| 6 | * | |
| 7 | * This work is part of the White Rabbit project, a research effort led | |
| 8 | * by CERN, the European Institute for Nuclear Research. | |
| 9 | */ | |
| 10 | #include <linux/ipmi-fru.h> | |
| 11 | ||
| 12 | /* Some internal helpers */ | |
| 13 | static struct fru_type_length * | |
| 14 | __fru_get_board_tl(struct fru_common_header *header, int nr) | |
| 15 | { | |
| 16 | struct fru_board_info_area *bia; | |
| 17 | struct fru_type_length *tl; | |
| 18 | ||
| 19 | bia = fru_get_board_area(header); | |
| 20 | tl = bia->tl; | |
| 21 | while (nr > 0 && !fru_is_eof(tl)) { | |
| 22 | tl = fru_next_tl(tl); | |
| 23 | nr--; | |
| 24 | } | |
| 25 | if (fru_is_eof(tl)) | |
| 26 | return NULL; | |
| 27 | return tl; | |
| 28 | } | |
| 29 | ||
| 30 | static char *__fru_alloc_get_tl(struct fru_common_header *header, int nr) | |
| 31 | { | |
| 32 | struct fru_type_length *tl; | |
| 33 | char *res; | |
| 34 | int len; | |
| 35 | ||
| 36 | tl = __fru_get_board_tl(header, nr); | |
| 37 | if (!tl) | |
| 38 | return NULL; | |
| 39 | len = fru_strlen(tl); | |
| 40 | res = fru_alloc(fru_strlen(tl) + 1); | |
| 41 | if (!res) | |
| 42 | return NULL; | |
| 43 | return fru_strcpy(res, tl); | |
| 44 | } | |
| 45 | ||
| 46 | /* Public checksum verifiers */ | |
| 47 | int fru_header_cksum_ok(struct fru_common_header *header) | |
| 48 | { | |
| 49 | uint8_t *ptr = (void *)header; | |
| 50 | int i, sum; | |
| 51 | ||
| 52 | for (i = sum = 0; i < sizeof(*header); i++) | |
| 53 | sum += ptr[i]; | |
| 54 | return (sum & 0xff) == 0; | |
| 55 | } | |
| 56 | int fru_bia_cksum_ok(struct fru_board_info_area *bia) | |
| 57 | { | |
| 58 | uint8_t *ptr = (void *)bia; | |
| 59 | int i, sum; | |
| 60 | ||
| 61 | for (i = sum = 0; i < 8 * bia->area_len; i++) | |
| 62 | sum += ptr[i]; | |
| 63 | return (sum & 0xff) == 0; | |
| 64 | } | |
| 65 | ||
| 66 | /* Get various stuff, trivial */ | |
| 67 | char *fru_get_board_manufacturer(struct fru_common_header *header) | |
| 68 | { | |
| 69 | return __fru_alloc_get_tl(header, 0); | |
| 70 | } | |
| 71 | char *fru_get_product_name(struct fru_common_header *header) | |
| 72 | { | |
| 73 | return __fru_alloc_get_tl(header, 1); | |
| 74 | } | |
| 75 | char *fru_get_serial_number(struct fru_common_header *header) | |
| 76 | { | |
| 77 | return __fru_alloc_get_tl(header, 2); | |
| 78 | } | |
| 79 | char *fru_get_part_number(struct fru_common_header *header) | |
| 80 | { | |
| 81 | return __fru_alloc_get_tl(header, 3); | |
| 82 | } |